According to the the opponent process theory, there is no color that could be described as a mixture of opponent colors.

根据拮抗理论，没有一种颜色可以被描述为拮抗颜色的混合物。

In the late 1970s and 80s, psychologist Richard Petty and John Cacioppo developed a dual process theory of understanding how persuasion works.

在 20 世纪 70 年代后期和 80 年代，心理学家理查德佩蒂和约翰卡乔波发展了一种理解说服如何运作的双重过程理论。